Samsung 7100 installation manual Connecting the Grounding Wire, External Grounding

CHAPTER 2. Ошибка! Стиль не определен.

2.5 Connecting the Grounding Wire

This section describes how to connect an external grounding wire to the OfficeServ 7100 system.

External Grounding

External grounding is required to prevent human injuries or system damages caused by lightning, static electricity, or voltage surge.

The OiiceServ 7100 system has to be grounded by big electric wire more than a cross-sectional area is 4.0mm2. The Screw should be minimum 3.5

mmnominal thread diameter and Ring Terminal should be UL Listed Lug Terminal used.

As shown in the figure below, ground to the ground lug behind the OfficeServ 7100.

Figure 2.13 Grounding

Checking external grounding

After installing the OfficeServ 7100 system, make sure that the GND in the back side of the system cabinet is connected to the external ground for communication before the operation.

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